000 00438nam a2200169 4500
008 160616s1965 000 0
245 _aIntroduction to logic and sets
100 _aChristian, Robert R.
260 _aNew York
260 _bBlaisdell Publishing Company
260 _c1965
300 _a116
440 _aBlaisdell book in pure and applied sciences
500 _aB31 K56
942 _cBK
_2BK4600
080 _a510.6 CHR
999 _c4600
_d4600